/Engine/Plugins/Online/OnlineSubsystem/Source/Public/Interfaces/OnlineExternalUIInterface.h
Displays a web page in the external UI
true if it was able to show the UI, false if it failed
bool ShowWebURL ( const [FString](API\Runtime\Core\Containers\FString) & Url, const [FShowWebUrlParams](API\Plugins\OnlineSubsystem\Interfaces\FShowWebUrlParams) & ShowParams, const [FOnShowWebUrlClosedDelegate](API\Plugins\OnlineSubsystem\Interfaces\FOnShowWebUrlClosedDelegate) & Delegate )